| http://www.w3.org/ns/prov#value | - As an examples of a water-soluble organic solventused in extraction: alcohols, for example, monohydric alcohols such as methanol, ethanol, propanol, butanol, and the like; polyhydric alcohols of propylene glycols such as 1,3-propylene glycol, butylene glycols such as 1,3-butylene glycol, and the likeare preferable.
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